20984334

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 50429952

約数和(自身を除く): 29445618

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 71, 93, 142, 186, 213, 217, 227, 426, 434, 454, 497, 651, 681, 994, 1302, 1362, 1491, 1589, 2201, 2982, 3178, 4402, 4767, 6603, 7037, 9534, 13206, 14074, 15407, 16117, 21111, 30814, 32234, 42222, 46221, 48351, 49259, 92442, 96702, 98518, 112819, 147777, 225638, 295554, 338457, 499627, 676914, 999254, 1498881, 2997762, 3497389, 6994778, 10492167, 20984334]

約数ペア:

[(1, 20984334), (2, 10492167), (3, 6994778), (6, 3497389), (7, 2997762), (14, 1498881), (21, 999254), (31, 676914), (42, 499627), (62, 338457), (71, 295554), (93, 225638), (142, 147777), (186, 112819), (213, 98518), (217, 96702), (227, 92442), (426, 49259), (434, 48351), (454, 46221), (497, 42222), (651, 32234), (681, 30814), (994, 21111), (1302, 16117), (1362, 15407), (1491, 14074), (1589, 13206), (2201, 9534), (2982, 7037), (3178, 6603), (4402, 4767)]